21856076

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{1979}}^1$

素因数の和:2245

約数の個数: 24

約数和(自身を含む): 41912640

約数和(自身を除く): 20056564

約数列:

[1, 2, 4, 11, 22, 44, 251, 502, 1004, 1979, 2761, 3958, 5522, 7916, 11044, 21769, 43538, 87076, 496729, 993458, 1986916, 5464019, 10928038, 21856076]

約数ペア:

[(1, 21856076), (2, 10928038), (4, 5464019), (11, 1986916), (22, 993458), (44, 496729), (251, 87076), (502, 43538), (1004, 21769), (1979, 11044), (2761, 7916), (3958, 5522)]